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In Bangladesh, public health has improved substantially over the past two to three decades. This has led to a reduction in neonatal, infant and child mortality, maternal deaths. The prevalence of stunting, under-weight and wasting have declined while life expectancy at birth increased. According to the World Bank, life expectancy at birth has increased from 59 years in 1990 to 73 years in 2020. Infant mortality has decreased from 95 deaths per 1,000 live births in 1990 to 24 deaths per 1,000 live births in 2020. Maternal mortality has also decreased from 573 deaths per 100,000 live births in 1990 to 173 deaths per 100,000 live births in 2020.
Temperature and Mosquito Activity: Temperature plays a pivotal role in the life cycle and behavior of mosquitoes. Warmer temperatures can accelerate mosquito development, shorten the incubation period of pathogens within mosquitoes, and increase mosquito biting rates. In Bangladesh, rising temperatures have created favorable conditions for mosquito breeding and disease transmission. Bangladesh has experienced an average rise in temperature of 0.5°C between 1976 and 2019. This warming trend has contributed to the expansion of mosquito habitats, thereby increasing the risk of mosquito-borne diseases. In the recent time Dengue is likely to increase for Dhaka as the climatic conditions become more suitable. Humidity in the range of 60 to 80 percent, maximum temperature between 25°C and 35°C, and rainfall between 200-800 mm create ideal conditions for mosquitoes. Weather data between 1976 and 2022 indicate Dhaka is experiencing falling humidity levels, rising temperatures, and heavier summer rainfall. These together with factors like urbanization are increasing the risk of the spread of dengue in Dhaka city.
Every year, a day has been earmarked for observing as “Zero Emissions Day” with the purpose of ‘giving our planet one day off a year’. This year it was observed worldwide on September 21 in a befitting manner.
জলবায়ুর পরিবর্তন আমাদের পরিবেশের নানামুখী পরিবর্তনের সঙ্গে সঙ্গে নানা ধরনের রোগ সৃষ্টি ও প্রসারে ভূমিকা রাখছে। এর মধ্যে অন্যতম প্রধান হলো মশাবাহিত রোগের প্রকোপ বৃদ্ধি।